document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1133195>Question 1133195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Walmart has a bike on sale for $150. The sign next to it says that the price is $25 off the original price. What is the original price? Define the variable and equation for the situation. Solve the equation.\r<BR>\n" );
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document.write( "This question is from my son's Math test. His answer is as follows:\r<BR>\n" );
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document.write( "Let x = original price<BR>\n" );
document.write( "x = 150 + 25; x = 175.\r<BR>\n" );
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document.write( "His teacher marked it wrong and wrote the equation as x - 25 = 150.\r<BR>\n" );
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document.write( "I don't see how the equation my son wrote is wrong? Could you please help me understand? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #750376 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=750376\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Walmart has a bike on sale for $150. The sign next to it says that the price is $25 off the original price. What is the original price? Define the variable and equation for the situation. Solve the equation.\r<BR>\n" );
document.write( "\n" );
document.write( "_______________________________________________________________________\r<BR>\n" );
document.write( "\n" );
document.write( "This question is from my son's Math test. His answer is as follows:\r<BR>\n" );
document.write( "\n" );
document.write( "Let x = original price<BR>\n" );
document.write( "x = 150 + 25; x = 175.\r<BR>\n" );
document.write( "\n" );
document.write( "His teacher marked it wrong and wrote the equation as x - 25 = 150.\r<BR>\n" );
document.write( "\n" );
document.write( "I don't see how the equation my son wrote is wrong? Could you please help me understand?<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">I guess he didn't write the correct equation based on the way the problem was formulated.<BR>\n" );
document.write( "Let original price be x<BR>\n" );
document.write( "Price after $25 discount: x - 25<BR>\n" );
document.write( "Also, it was given that the price after discount or sale price = 150<BR>\n" );
document.write( "We then EQUATE them to get: x - 25 = 150<BR>\n" );
document.write( "That's somewhat PETTY though. I agree with the other tutor that partial credit should have been awarded, because if this problem were on an exam,<BR>\n" );
document.write( "whether open-ended or multiple choice, he would've gotten FULL MARKS. <BR>\n" );
document.write( "I guess though that this must be a lesson on following EXACT INSTRUCTIONS and the way he wrote it was not EXACTLY how itw's stated. <BR>\n" );
document.write( "A good lesson, I guess for someone young showing he/she how important it is to follow INSTRUCTIONS precisely. </SPAN>\n" );
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